Every 333 years, a force of pure destruction called Kuiba is reborn. Gods and mortals band together to kill it just before each revival, but in 1664 their assassination attempt fails. The entity slips away and takes refuge in the young body of a boy named Manji. As he grows up, Manji dreams of becoming the greatest warrior of all. When he hears that the armies of Earth are recruiting to fight Kuiba, he and his master sign up to track the devil down. Manji does not know that the enemy he hopes to destroy is himself, and he will have to face that fate. The film is an action fantasy adventure.